'Happy Valley' writer Sally Wainwright and 'Game of Thrones' star Mackenzie Crook were also among the winners as were 'X Factor' and 'Doctor Who.'

Among the biggest winners at London's The Brewery were the Showtime/Sky Atlantic gothic series Penny Dreadful, which picked up three awards, winning for production design, makeup and hair design and original music.

Sherlock brought its total BAFTA awards tally to nine in four years, with Sunday wins for sound: fiction and editing: fiction.

Happy Valley creator Sally Wainwright received a writer: drama award for her acclaimed rural police thriller, which is due to return for a second season on the BBC later this year.

Meanwhile, Game of Thrones and Pirates of the Caribbean star Mackenzie Crook – a U.K. favorite since his appearance in the original The Office – won his first BAFTA, a writer: comedy award for Detectorists.